# A test TMY file is necessary for testing. To obtain one, do the following:
    
# 1) go to the JRC PVGIS website on the following address: 
    
# https://re.jrc.ec.europa.eu/pvg_tools/en/tools.html

# 2) On the interactive panel, click on TMY.

# 3) enter the following (latitude, longitude) coordinates on the textbox: 
    
# latitude: 54.027
# longitude: 9.803

# 4) Where it says 'select period', select "PVGIS-SARAH2:2005-2020".

# 5) Click where it says "csv" to download the file and save it to this folder.